Crop diseases and pests

Controlling plant pests

Plant diseases and pests can ruin your crops. Learn what you can do to prevent damage.

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Plant Diagnostic Clinic

Identifies and provides management solutions for insects, diseases and weeds.

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Events

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Boone Pesticide Application Training (PAT)

Event date: Jan. 25, 2021

Event time: | 2:00 pm - 11:00 pm

Columbia, MO

Agricultural commodity producers who need to obtain or renew a private pesticide applicator license can attend one of the following training sessions provided through University of Missouri Extension. This class does not complete the requirement for ...

Cole Pesticide Application Training (PAT)

Event date: Jan. 26, 2021

Event time: | 9:00 am - 4:00 pm

Jefferson City, MO

Private Pesticide Applicator Training - Cape Girardeau County

Event date: Jan. 28, 2021

Event time: | 9:00 am - 11:00 am

Jackson, MO

More information: https://cvent.me/GzVBRWRegister Here: https://cvent.me/ovP4e8The private pesticide applicator license issued by the Missouri Dept of Agriculture is required for producers wanting to purchase and apply restricted use pesticides. ...

2021 Northern Missouri Soils and Crops Conference

Event date: Jan. 28, 2021

Event time: | 6:00 pm - 8:00 pm

University of Missouri Extension state and regional specialists will talk on weed, insect-pest and disease management in field crops. Participants will also learn about utilizing technology to implement strip trials in this conference. This is a free ...

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News & articles

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New pesticide guide for hemp available

Published: Friday, Jan. 8, 2021

COLUMBIA, Mo. – University of Missouri Extension recently released a list of pesticides approved for industrial hemp production in Missouri.In Missouri, hemp producers are allowed to use pesticides approved by the Environmental Protection Agency ...

MU entomologist lists pests to watch in 2021

Published: Thursday, Dec. 17, 2020

COLUMBIA, Mo. – University of Missouri Extension field crop entomologist Kevin Rice says Missouri soybean and corn growers should be on the lookout for growing populations of yield-robbing insects in 2021.Soybean gall midgeMU Extension found ...

Crops face danger of BMSB damage

Published: Monday, Nov. 2, 2020

COLUMBIA, Mo. – A flurry of calls and emails from homeowners about the brown marmorated stink bug to University of Missouri Extension specialists sounds a warning of what is to come in in the next two years.MU Extension field crop entomologist ...

SDS appearing in Missouri soybean fields

Published: Friday, Aug. 28, 2020

COLUMBIA, Mo. – University of Missouri Extension agronomists reported during their weekly teleconference that sudden death syndrome (SDS) is showing up in soybean fields across the state.MU Extension plant pathologist Kaitlyn Bissonnette says she ...

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Publications

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Biology and Management of Japanese Beetle

Publication date: July 1, 2020

Japanese beetle were accidentally introduced from Asia to the eastern United States in 1916. Since then, they have established populations in 28 states with detections in an additional 13, becoming a primary insect pest species in many agricultural ...

The Boll Weevil in Missouri: History, Biology and Management

Publication date: Sept. 25, 2019

The cotton boll weevil, Anthonomus grandis grandis, was the most important pest of cotton in much of America’s Cotton Belt. Fortunately, it was eradicated in the United States by a U.S. Department of Agriculture (USDA) program in cooperation with ...

Scouting for Fusarium Head Blight (FHB) and Harvest Considerations

Publication date: July 1, 2019

Assessing the impacts of Fusarium head blight (FHB) or Scab, caused by Fusarium graminearum, begins with scouting for FHB disease symptoms during the growing season. Understanding damage levels prior to harvest can provide a critical first step to ...

Pesticide Applicator Training Manuals: Ordering Information

Publication date: Jan. 1, 2019

Certification tests cover the Core Manual and all manuals in the categories of your business. Questions are also taken from the Missouri Pesticide Use Act, obtainable from the Missouri Department of Agriculture.MU pesticide applicator trainingState ...

Midwest Fruit Pest Management Guide: 2018

Publication date: Jan. 1, 2018

Revised annually, this guide provides pest management recommendations for commercial tree fruit, small fruit, and grape producers in Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Minnesota, Missouri, Nebraska, Ohio, Oklahoma, West Virginia and ...

Pesticide Dealers

Publication date: Nov. 1, 2017

$20.00

This manual is part of Missouri's Pesticide Applicator Training Program. It provides assistance in passing an examination required to obtain a Missouri Pesticide Dealer license from the Missouri Department of Agriculture.Missouri's Pesticide ...

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Resources

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Herbicide Injury ID app (App Store)

Herbicide Injury ID aids in the diagnosis of herbicide injury. Search by visible plant symptoms, herbicide trade names, active ingredients, or herbicide site-of-action numbers. By MU Extension Weed Science, this is the iPhone and iPad version.

Herbicide Injury ID app (Google Play)

ID Weeds app (App Store)

ID Weeds allows you to search for weeds by their common or Latin name, view a list of weeds, or identify weeds based on characteristics. It presents weed details and photos. By the MU Division of Plant Sciences, this is the iPhone and iPad version.

ID Weeds app (Google Play)

Integrated Pest and Crop Management newsletter

Stay up to date on the latest news and information with the Integrated Pest and Crop Management newsletter.

MU guide to herbicide injury

View photographs of and find information on crop injuries due to herbicides, ranging from growth regulators to cell membrane disruptors.

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